One deity of this phenomenon commonly rides a ram 
One deity of this phenomenon commonly rides a ram and licks sacrificial butter with his seven tongues. In addition to the Vedic deity, Agni, this entity, which defines Surt and his world of Muspellheim in Norse myth, caused a Titan to be chained up and have his liver eaten by eagles, and is presided over, though not the forge, by Vulcan or Hephaestus. For 10 points, name this phenomenon stolen from the gods by Prometheus, which engulfs a dying phoenix.
One deity of this phenomenon commonly rides a ram and licks sacrificial butter with his seven tongues.
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